Question

i.Write the given sets in roster and discriptionform: -(4)
a.={:∈Nand40≤x≤50}
b.={:=4,∈Nandn<5}
ii.Simplify ((52)3×54)÷57

Answer 1

Answer:

a={40,41,42,43,45,46,47,48,49,50}

because a belongs to natural number and its between 40 and 50 (including 40 and 50)